WIP

Makefile

@@ -784,6 +784,7 @@ ABC_SOURCES := $(wildcard $(YOSYS_SRC)/abc/*)
 
 abc/abc$(EXE) abc/libabc.a: $(ABC_SOURCES)
 	$(P)
+	mkdir abc
 	$(Q) $(MAKE) -C abc $(S) $(ABCMKARGS) $(if $(filter %.a,$@),PROG="abc",PROG="abc$(EXE)") MSG_PREFIX="$(eval P_OFFSET = 5)$(call P_SHOW)$(eval P_OFFSET = 10) ABC: " $(if $(filter %.a,$@),libabc.a)
 
 $(PROGRAM_PREFIX)yosys-abc$(EXE): abc/abc$(EXE)